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- | < | + | ===== Structure of the documentation ===== |
- | < | + | |
- | <meta http-equiv=Content-Type content=" | + | The documentation is structured |
- | <meta name=ProgId content=Word.Document> | + | |
- | <meta name=Generator content=" | + | |
- | <meta name=Originator content=" | + | |
- | <link rel=File-List href=" | + | |
- | <link rel=Edit-Time-Data | + | |
- | href=" | + | |
- | <link rel=OLE-Object-Data | + | |
- | href=" | + | |
- | <!--[if !mso]> | + | |
- | < | + | |
- | v\:* {behavior: | + | |
- | o\:* {behavior: | + | |
- | w\:* {behavior: | + | |
- | .shape {behavior: | + | |
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- | <link rel=dataStoreItem | + | |
- | href=" | + | |
- | target=" | + | |
- | <link rel=themeData | + | |
- | href=" | + | |
- | <link rel=colorSchemeMapping | + | |
- | href=" | + | |
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- | <!-- | + | |
- | /* Font Definitions */ | + | |
- | | + | |
- | {font-family: | + | |
- | panose-1:5 0 0 0 0 0 0 0 0 0; | + | |
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- | panose-1:2 4 5 3 5 4 6 3 2 4; | + | |
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- | panose-1:2 15 5 2 2 2 4 3 2 4; | + | |
- | mso-font-charset: | + | |
- | mso-generic-font-family: | + | |
- | mso-font-pitch: | + | |
- | mso-font-signature: | + | |
- | @font-face | + | |
- | {font-family: | + | |
- | panose-1:2 11 6 4 3 5 4 4 2 4; | + | |
- | mso-font-charset: | + | |
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- | mso-font-pitch: | + | |
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- | {font-family: | + | |
- | panose-1:2 4 5 3 5 4 6 3 2 4; | + | |
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- | mso-generic-font-family: | + | |
- | mso-font-pitch: | + | |
- | mso-font-signature: | + | |
- | /* Style Definitions */ | + | |
- | | + | |
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- | color:# | + | |
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- | mso-font-kerning: | + | |
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- | mso-style-link:" | + | |
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- | color:# | + | |
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- | mso-fareast-theme-font: | + | |
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- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | color:# | + | |
- | mso-themecolor: | + | |
- | mso-fareast-language: | + | |
- | p.MsoFootnoteText, | + | |
- | {mso-style-noshow: | + | |
- | mso-style-priority: | + | |
- | mso-style-link:" | + | |
- | margin: | + | |
- | margin-bottom: | + | |
- | mso-pagination: | + | |
- | font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | mso-fareast-language: | + | |
- | p.MsoCaption, | + | |
- | {mso-style-priority: | + | |
- | mso-style-qformat: | + | |
- | mso-style-next: | + | |
- | margin-top: | + | |
- | margin-right: | + | |
- | margin-bottom: | + | |
- | margin-left: | + | |
- | mso-pagination: | + | |
- | font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | color:# | + | |
- | mso-themecolor: | + | |
- | mso-fareast-language: | + | |
- | font-weight: | + | |
- | span.MsoFootnoteReference | + | |
- | {mso-style-noshow: | + | |
- | mso-style-priority: | + | |
- | vertical-align: | + | |
- | p.MsoAcetate, | + | |
- | {mso-style-noshow: | + | |
- | mso-style-priority: | + | |
- | mso-style-link:" | + | |
- | margin: | + | |
- | margin-bottom: | + | |
- | mso-pagination: | + | |
- | font-size: | + | |
- | font-family:" | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-fareast-language: | + | |
- | p.MsoListParagraph, | + | |
- | {mso-style-priority: | + | |
- | mso-style-unhide: | + | |
- | mso-style-qformat: | + | |
- | margin-top: | + | |
- | margin-right: | + | |
- | margin-bottom: | + | |
- | margin-left: | + | |
- | mso-add-space: | + | |
- | line-height: | + | |
- | mso-pagination: | + | |
- | font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | mso-fareast-language: | + | |
- | p.MsoListParagraphCxSpFirst, | + | |
- | {mso-style-priority: | + | |
- | mso-style-unhide: | + | |
- | mso-style-qformat: | + | |
- | mso-style-type: | + | |
- | margin-top: | + | |
- | margin-right: | + | |
- | margin-bottom: | + | |
- | margin-left: | + | |
- | margin-bottom: | + | |
- | mso-add-space: | + | |
- | line-height: | + | |
- | mso-pagination: | + | |
- | font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | mso-fareast-language: | + | |
- | p.MsoListParagraphCxSpMiddle, | + | |
- | {mso-style-priority: | + | |
- | mso-style-unhide: | + | |
- | mso-style-qformat: | + | |
- | mso-style-type: | + | |
- | margin-top: | + | |
- | margin-right: | + | |
- | margin-bottom: | + | |
- | margin-left: | + | |
- | margin-bottom: | + | |
- | mso-add-space: | + | |
- | line-height: | + | |
- | mso-pagination: | + | |
- | font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | mso-fareast-language: | + | |
- | p.MsoListParagraphCxSpLast, | + | |
- | {mso-style-priority: | + | |
- | mso-style-unhide: | + | |
- | mso-style-qformat: | + | |
- | mso-style-type: | + | |
- | margin-top: | + | |
- | margin-right: | + | |
- | margin-bottom: | + | |
- | margin-left: | + | |
- | mso-add-space: | + | |
- | line-height: | + | |
- | mso-pagination: | + | |
- | font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | mso-fareast-language: | + | |
- | span.berschrift1Zchn | + | |
- | {mso-style-name:" | + | |
- | mso-style-priority: | + | |
- | mso-style-unhide: | + | |
- | mso-style-locked: | + | |
- | mso-style-link:" | + | |
- | mso-ansi-font-size: | + | |
- | mso-bidi-font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family:" | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | color:# | + | |
- | mso-themecolor: | + | |
- | mso-themeshade: | + | |
- | font-weight: | + | |
- | span.MTEquationSection | + | |
- | {mso-style-name: | + | |
- | mso-style-unhide: | + | |
- | color: | + | |
- | display: | + | |
- | mso-hide: | + | |
- | mso-ansi-language: | + | |
- | p.MTDisplayEquation, | + | |
- | {mso-style-name: | + | |
- | mso-style-unhide: | + | |
- | mso-style-link:" | + | |
- | mso-style-next: | + | |
- | margin-top: | + | |
- | margin-right: | + | |
- | margin-bottom: | + | |
- | margin-left: | + | |
- | line-height: | + | |
- | mso-pagination: | + | |
- | tab-stops: | + | |
- | font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | mso-ansi-language: | + | |
- | mso-fareast-language: | + | |
- | span.MTDisplayEquationZchn | + | |
- | {mso-style-name:" | + | |
- | mso-style-unhide: | + | |
- | mso-style-locked: | + | |
- | mso-style-link: | + | |
- | mso-ansi-language: | + | |
- | span.berschrift2Zchn | + | |
- | {mso-style-name:" | + | |
- | mso-style-priority: | + | |
- | mso-style-unhide: | + | |
- | mso-style-locked: | + | |
- | mso-style-link:" | + | |
- | mso-ansi-font-size: | + | |
- | mso-bidi-font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family:" | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | color:# | + | |
- | mso-themecolor: | + | |
- | font-weight: | + | |
- | span.berschrift3Zchn | + | |
- | {mso-style-name:" | + | |
- | mso-style-priority: | + | |
- | mso-style-unhide: | + | |
- | mso-style-locked: | + | |
- | mso-style-link:" | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family:" | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | color:# | + | |
- | mso-themecolor: | + | |
- | font-weight: | + | |
- | span.FunotentextZchn | + | |
- | {mso-style-name:" | + | |
- | mso-style-noshow: | + | |
- | mso-style-priority: | + | |
- | mso-style-unhide: | + | |
- | mso-style-locked: | + | |
- | mso-style-link: | + | |
- | mso-ansi-font-size: | + | |
- | mso-bidi-font-size: | + | |
- | span.SprechblasentextZchn | + | |
- | {mso-style-name:" | + | |
- | mso-style-noshow: | + | |
- | mso-style-priority: | + | |
- | mso-style-unhide: | + | |
- | mso-style-locked: | + | |
- | mso-style-link: | + | |
- | mso-ansi-font-size: | + | |
- | mso-bidi-font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-hansi-font-family: | + | |
- | mso-bidi-font-family: | + | |
- | span.SpellE | + | |
- | {mso-style-name:""; | + | |
- | mso-spl-e: | + | |
- | span.GramE | + | |
- | {mso-style-name:""; | + | |
- | mso-gram-e: | + | |
- | .MsoChpDefault | + | |
- | {mso-style-type: | + | |
- | mso-default-props: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | mso-fareast-language: | + | |
- | .MsoPapDefault | + | |
- | {mso-style-type: | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | /* Page Definitions */ | + | |
- | | + | |
- | {mso-footnote-separator: | + | |
- | mso-footnote-continuation-separator: | + | |
- | mso-endnote-separator: | + | |
- | mso-endnote-continuation-separator: | + | |
- | @page WordSection1 | + | |
- | {size: | + | |
- | margin: | + | |
- | mso-header-margin: | + | |
- | mso-footer-margin: | + | |
- | mso-paper-source: | + | |
- | div.WordSection1 | + | |
- | {page: | + | |
- | /* List Definitions */ | + | |
- | @list l0 | + | |
- | {mso-list-id: | + | |
- | mso-list-type: | + | |
- | mso-list-template-ids: | + | |
- | @list l0:level1 | + | |
- | {mso-level-start-at: | + | |
- | mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | @list l0:level2 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l0:level3 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l0:level4 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l0:level5 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l0:level6 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l0:level7 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l0:level8 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l0:level9 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l1 | + | |
- | {mso-list-id: | + | |
- | mso-list-type: | + | |
- | mso-list-template-ids: | + | |
- | @list l1:level1 | + | |
- | {mso-level-start-at: | + | |
- | mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | @list l1:level2 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l1:level3 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l1:level4 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l1:level5 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l1:level6 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l1:level7 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l1:level8 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l1:level9 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l2 | + | |
- | {mso-list-id: | + | |
- | mso-list-type: | + | |
- | mso-list-template-ids: | + | |
- | @list l2:level1 | + | |
- | {mso-level-start-at: | + | |
- | mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | @list l2:level2 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l2:level3 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l2:level4 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l2:level5 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l2:level6 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l2:level7 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l2:level8 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l2:level9 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l3 | + | |
- | {mso-list-id: | + | |
- | mso-list-type: | + | |
- | mso-list-template-ids: | + | |
- | @list l3:level1 | + | |
- | {mso-level-start-at: | + | |
- | mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | mso-fareast-font-family: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | @list l3:level2 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l3:level3 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l3:level4 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l3:level5 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l3:level6 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l3:level7 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l3:level8 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family:" | + | |
- | @list l3:level9 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-text: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | font-family: | + | |
- | @list l4 | + | |
- | {mso-list-id: | + | |
- | mso-list-type: | + | |
- | mso-list-template-ids: | + | |
- | @list l4:level1 | + | |
- | {mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | @list l4:level2 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | @list l4:level3 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | @list l4:level4 | + | |
- | {mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | @list l4:level5 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | @list l4:level6 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | @list l4:level7 | + | |
- | {mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | @list l4:level8 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | @list l4:level9 | + | |
- | {mso-level-number-format: | + | |
- | mso-level-tab-stop: | + | |
- | mso-level-number-position: | + | |
- | margin-left: | + | |
- | text-indent: | + | |
- | ol | + | |
- | {margin-bottom: | + | |
- | ul | + | |
- | {margin-bottom: | + | |
- | --> | + | |
- | </ | + | |
- | <!--[if gte mso 10]> | + | |
- | < | + | |
- | /* Style Definitions */ | + | |
- | | + | |
- | {mso-style-name:" | + | |
- | mso-tstyle-rowband-size: | + | |
- | mso-tstyle-colband-size: | + | |
- | mso-style-noshow: | + | |
- | mso-style-priority: | + | |
- | mso-style-parent:""; | + | |
- | mso-padding-alt: | + | |
- | mso-para-margin-top: | + | |
- | mso-para-margin-right: | + | |
- | mso-para-margin-bottom: | + | |
- | mso-para-margin-left: | + | |
- | line-height: | + | |
- | mso-pagination: | + | |
- | font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | mso-fareast-language: | + | |
- | table.MsoTableGrid | + | |
- | {mso-style-name: | + | |
- | mso-tstyle-rowband-size: | + | |
- | mso-tstyle-colband-size: | + | |
- | mso-style-priority: | + | |
- | mso-style-unhide: | + | |
- | border: | + | |
- | mso-border-alt: | + | |
- | mso-padding-alt: | + | |
- | mso-border-insideh: | + | |
- | mso-border-insidev: | + | |
- | mso-para-margin: | + | |
- | mso-para-margin-bottom: | + | |
- | mso-pagination: | + | |
- | font-size: | + | |
- | font-family:" | + | |
- | mso-ascii-font-family: | + | |
- | mso-ascii-theme-font: | + | |
- | mso-hansi-font-family: | + | |
- | mso-hansi-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | mso-bidi-theme-font: | + | |
- | mso-fareast-language: | + | |
- | </ | + | |
- | < | + | |
- | < | + | |
- | </ | + | |
- | < | + | |
- | <o:idmap v: | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <body lang=DE style=' | + | |
- | + | ||
- | <div class=WordSection1> | + | |
- | + | ||
- | <h1 style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | class=MTEquationSection>< | + | |
- | lang=EN-GB style=' | + | |
- | SEQ MTEqn \r \h \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | in Agriculture – Generating more economic sophisticated solutions< | + | |
- | style=' | + | |
- | class=MsoFootnoteReference>< | + | |
- | class=MsoFootnoteReference>< | + | |
- | lang=EN-GB style=' | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | color:# | + | |
- | mso-fareast-language: | + | |
- | + | ||
- | <h2 style=' | + | |
- | guide as training material< | + | |
- | name=" | + | |
- | style=' | + | |
- | class=MsoFootnoteReference>< | + | |
- | lang=EN-GB style=' | + | |
- | mso-ascii-theme-font: | + | |
- | mso-fareast-theme-font: | + | |
- | mso-bidi-font-family:" | + | |
- | color:# | + | |
- | EN-US; | + | |
- | + | ||
- | <p class=MsoNormal>< | + | |
- | reading material should guide you theoretically through the derivation of | + | |
- | parameter calibration of PMP terms for economically more sophisticated | + | |
- | programming models. In this <span class=GramE> | + | |
- | understand how a linear programming works and what the shortcomings are, how | + | |
- | positive mathematical programming models are calibrated and how these different | + | |
- | models behave if input parameters change.< | + | |
- | + | ||
- | <p class=MsoNormal>< | + | |
- | there is a hands on excel (Session_B5_Beginners_Advanced_PMP_example.xlsx) and | + | |
- | GAMS file (Session_B5_Advanced_PMP_example.gms) for the beginners and advanced, | + | |
- | respectively.< | + | |
- | title="">< | + | |
- | footnote'>< | + | |
- | lang=EN-GB style=' | + | |
- | mso-ascii-theme-font: | + | |
- | minor-latin; | + | |
- | mso-bidi-theme-font: | + | |
- | EN-US; | + | |
- | With the examples provided in the files you can train how to set up and solve a | + | |
- | linear programming model, calibrate the positive mathematical programming | + | |
- | models and simulate the price changes. You are free to also define other price | + | |
- | changes once you are familiar with the price scenarios given here in the guide.< | + | |
- | + | ||
- | <h2 style=' | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | models is strongly related to the decision making situation of a farmer. | + | |
- | Farmers must make decisions about the production plan. The decisions are not | + | |
- | independent from physical or financial constraints. Traditionally, | + | |
- | relied on intuition, experience or their neighbour’s actions. Using formal | + | |
- | methods like mathematical programming models can enhance the farmers profits, | + | |
- | at least when the production program becomes more complex. Those mathematical | + | |
- | programming models predict quite accurately the behaviour of a representative | + | |
- | farmer. This predictive “power” makes those representative farm models useful | + | |
- | for policy analysis (Hazell & Norton, 1986).< | + | |
- | + | ||
- | <h2 style=' | + | |
- | linear programming model < | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | method to find the profit maximizing combination of production activities which | + | |
- | is feasible subject to a set of farm constraints. <span style=' | + | |
- | 1'> | + | |
- | + | ||
- | <p class=MsoListParagraphCxSpFirst style=' | + | |
- | auto; | + | |
- | lang=EN-GB style=' | + | |
- | mso-hansi-font-family: | + | |
- | EN-GB'>< | + | |
- | </ | + | |
- | alternative production activities, their unit of measurement, | + | |
- | requirements and any production constraints< | + | |
- | + | ||
- | <p class=MsoListParagraphCxSpMiddle style=' | + | |
- | auto; | + | |
- | lang=EN-GB style=' | + | |
- | mso-hansi-font-family: | + | |
- | EN-GB'>< | + | |
- | </ | + | |
- | fixed resource constraints< | + | |
- | + | ||
- | <p class=MsoListParagraphCxSpLast style=' | + | |
- | text-align: | + | |
- | lang=EN-GB style=' | + | |
- | mso-hansi-font-family: | + | |
- | EN-GB'>< | + | |
- | </ | + | |
- | margins of the production activities< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | programming model for a farm is presented (Hazell & Norton, 1986). < | + | |
- | + | ||
- | <p class=MTDisplayEquation style=' | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | SEQ MTSec \c \* Arabic \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
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- | < | + | |
- | < | + | |
- | <v:f eqn=" | + | |
- | <v:f eqn=" | + | |
- | <v:f eqn=" | + | |
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- | SEQ MTSec \c \* Arabic \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
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- | -5.0pt'>< | + | |
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- | resources< | + | |
- | + | ||
- | <p class=MsoListParagraphCxSpMiddle style=' | + | |
- | auto; | + | |
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- | + | ||
- | <p class=MsoListParagraphCxSpLast style=' | + | |
- | text-align: | + | |
- | lang=EN-GB style=' | + | |
- | mso-hansi-font-family: | + | |
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- | | + | |
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- | </ | + | |
- | </ | + | |
- | associated with the resource constraints< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | production activity levels that maximize the total gross margin (<span | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
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- | </ | + | |
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- | activity levels. The dual variables of the resource constraints (<span | + | |
- | style=' | + | |
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- | </ | + | |
- | </ | + | |
- | values | + | |
- | enhance the resource constraints. For instance, the shadow price of land is the | + | |
- | maximum value of one additional unit of land to increase the most profitable | + | |
- | production activity.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | few assumptions are made. At first, | + | |
- | faced</ | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | It is important to have at least one nonzero constraint </ | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | number | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | can be find. The model coefficients – gross <span class=GramE> | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | top: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | resource available <span style=' | + | |
- | -5.0pt'>< | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | known and constant. This also leads to the fact, that the increase of total | + | |
- | expected gross margin and the resource requirements per unit are proportional | + | |
- | to the used production activity level and hence, independent of the activity | + | |
- | level used. Further it is assumed, that the resources can be used and the | + | |
- | activities produced in quantities are fractional units. The units of the | + | |
- | resources or activities are identical. No interaction effects between the | + | |
- | production activities are allowed, which means, that the total product is the | + | |
- | sum of their individual products. < | + | |
- | + | ||
- | <h3 style=' | + | |
- | small example< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | programming model to become familiar with mathematical programming models.< | + | |
- | + | ||
- | <p class=MsoCaption style=' | + | |
- | name=" | + | |
- | style=' | + | |
- | style=' | + | |
- | EN-GB'>< | + | |
- | style=' | + | |
- | style=' | + | |
- | EN-GB'>< | + | |
- | style=' | + | |
- | style=' | + | |
- | EN-GB'> | + | |
- | file sheet “Simple LP”, GAMS file model “LP”)< | + | |
- | + | ||
- | <table class=MsoTableGrid border=1 cellspacing=0 cellpadding=0 | + | |
- | | + | |
- | | + | |
- | < | + | |
- | <td width=164 nowrap valign=top style=' | + | |
- | mso-border-alt: | + | |
- | <td width=278 nowrap colspan=4 valign=top style=' | + | |
- | border-left: | + | |
- | solid windowtext .5pt; | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | style=' | + | |
- | </ | + | |
- | <td width=32 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | solid windowtext .5pt; | + | |
- | <td width=134 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | solid windowtext .5pt; | + | |
- | </ | + | |
- | < | + | |
- | <td width=164 nowrap valign=top style=' | + | |
- | border-top: | + | |
- | padding:0cm 5.4pt 0cm 5.4pt; | + | |
- | <td width=76 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | style=' | + | |
- | </ | + | |
- | <td width=67 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | style=' | + | |
- | </ | + | |
- | <td width=59 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | style=' | + | |
- | </ | + | |
- | <td width=75 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | style=' | + | |
- | </ | + | |
- | <td width=32 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=134 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | </ | + | |
- | < | + | |
- | <td width=164 nowrap valign=top style=' | + | |
- | border-top: | + | |
- | padding:0cm 5.4pt 0cm 5.4pt; | + | |
- | <p class=MsoNormal style=' | + | |
- | margin-left: | + | |
- | style=' | + | |
- | mso-ansi-language: | + | |
- | </ | + | |
- | <td width=76 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=67 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=59 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=75 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=32 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=134 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | </ | + | |
- | < | + | |
- | <td width=164 nowrap valign=top style=' | + | |
- | border-top: | + | |
- | padding:0cm 5.4pt 0cm 5.4pt; | + | |
- | <p class=MsoNormal style=' | + | |
- | margin-left: | + | |
- | lang=EN-GB style=' | + | |
- | margin (pesos)< | + | |
- | </ | + | |
- | <td width=76 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=67 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=59 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=75 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=32 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=134 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal style=' | + | |
- | margin-left: | + | |
- | style=' | + | |
- | mso-ansi-language: | + | |
- | </ | + | |
- | </ | + | |
- | < | + | |
- | <td width=164 nowrap valign=top style=' | + | |
- | border-top: | + | |
- | padding:0cm 5.4pt 0cm 5.4pt; | + | |
- | <p class=MsoNormal style=' | + | |
- | margin-left: | + | |
- | style=' | + | |
- | mso-ansi-language: | + | |
- | </ | + | |
- | <td width=76 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=67 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=59 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=75 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=32 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <td width=134 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | </ | + | |
- | < | + | |
- | <td width=164 nowrap valign=top style=' | + | |
- | border-top: | + | |
- | padding:0cm 5.4pt 0cm 5.4pt; | + | |
- | <p class=MsoNormal style=' | + | |
- | margin-left: | + | |
- | lang=EN-GB style=' | + | |
- | </ | + | |
- | <td width=76 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=67 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=59 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=75 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=32 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal style=' | + | |
- | margin-left: | + | |
- | lang=EN-GB style=' | + | |
- | </ | + | |
- | <td width=134 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal style=' | + | |
- | margin-left: | + | |
- | lang=EN-GB style=' | + | |
- | </ | + | |
- | </ | + | |
- | < | + | |
- | <td width=164 nowrap valign=top style=' | + | |
- | border-top: | + | |
- | padding:0cm 5.4pt 0cm 5.4pt; | + | |
- | <p class=MsoNormal style=' | + | |
- | margin-left: | + | |
- | class=SpellE>< | + | |
- | lang=EN-GB style=' | + | |
- | </ | + | |
- | <td width=76 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=67 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=59 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=75 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | EN-GB'> | + | |
- | </ | + | |
- | <td width=32 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal style=' | + | |
- | margin-left: | + | |
- | lang=EN-GB style=' | + | |
- | </ | + | |
- | <td width=134 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
- | <p class=MsoNormal style=' | + | |
- | margin-left: | + | |
- | lang=EN-GB style=' | + | |
- | </ | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoCaption style=' | + | |
- | style=' | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | yes'> | + | |
- | < | + | |
- | </ | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | class=GramE> | + | |
- | has to set the level of four production activities that produce four | + | |
- | commodities. The objective function is to maximize the expected total gross | + | |
- | margin. But at the same time the resource constraints must hold. In particular, | + | |
- | at maximum 200 ha of land are available for each production activity and 10,000 | + | |
- | hours of labour. Each production activity has the same requirement to the land. | + | |
- | This means, one ha of land produces one unit of the commodity. The production | + | |
- | activities need different amounts of labour. For example, production activity 4 | + | |
- | needs 87 hours of labour to produce one unit of commodity four. This activity | + | |
- | has also the greatest expected gross margin of 516 per unit. The combination of | + | |
- | the production activities that maximizes the total gross margin and that does | + | |
- | not violate the constraints has to be find.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | solver in Excel. The expected total gross margin <span style=' | + | |
- | top: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | class=GramE> | + | |
- | -5.0pt'>< | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | labour with <span style=' | + | |
- | | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | solver of Excel gives the solution of <span style=' | + | |
- | top: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | class=GramE> | + | |
- | relative; | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | resources of land and labour are totally exhausted. The farmer is advised to | + | |
- | only use production activity two and four to maximize his profits. The shadow | + | |
- | price of land is 391.5 and labour is 1.43. For instance, the representative | + | |
- | farmer would pay 391.5 for one additional unit of land to enhance his | + | |
- | production level for one of his preferred production activities.< | + | |
- | + | ||
- | <h3 style=' | + | |
- | of the example< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | implementation of the linear programming model to set up a profit maximizing | + | |
- | farm production plan. The representative farmer has the knowledge | + | |
- | expected gross margins and resource requirements of each production activity | + | |
- | and with that, the linear programming model is a useful tool to calculate the | + | |
- | profit maximizing production plan.<a style=' | + | |
- | name=" | + | |
- | style=' | + | |
- | class=MsoFootnoteReference>< | + | |
- | 115%; | + | |
- | mso-fareast-font-family: | + | |
- | minor-latin; | + | |
- | mso-ansi-language: | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | activities are part of the production problem. But in reality we observe that | + | |
- | farmers also use production activities that seem to be less profitable. The | + | |
- | linear programming model obviously does not consider real farmer’s behaviour | + | |
- | and produces overspecialisation. There can be several reasons why farmers use | + | |
- | less profitable production activities. One the one hand there are governmental | + | |
- | rules or production activity rotation requirements that force the farmer to set | + | |
- | up a less profitable production plan. This could be handled by additional | + | |
- | constraints. Further reasons for this behaviour can be the risk aversion of the | + | |
- | farmer or some costs that the farmer faces for some production activities that | + | |
- | cannot be observed and with that not be implemented with additional | + | |
- | constraints. Additionally, | + | |
- | programming model will increase the problem of overspecialisation.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | costs for the farmer should be the point we want to investigate in the | + | |
- | following. The linear programming model is extended and the solution of the | + | |
- | optimization programme should be more realistic when compared to real world | + | |
- | behaviour.< | + | |
- | + | ||
- | <h2 style=' | + | |
- | mathematical programming model < | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | overspecialisation and to reflect more realistic behaviour of farmers, positive | + | |
- | mathematical programming is a methodology that calibrates programming models to | + | |
- | observed quantities to specify appropriate non-linear objective functions | + | |
- | (Heckelei, 2002).<a style=' | + | |
- | title="">< | + | |
- | footnote'>< | + | |
- | lang=EN-GB style=' | + | |
- | mso-ascii-theme-font: | + | |
- | minor-latin; | + | |
- | mso-bidi-theme-font: | + | |
- | EN-US; | + | |
- | These objective functions are modifications of the traditional objective | + | |
- | function used in linear programming models and have terms that can be | + | |
- | interpreted to capture the unobserved behaviour of the farmer and hence, should | + | |
- | lead to more realistic optimization solutions.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | programming approach can be separated into three steps (Howitt, 1995). At | + | |
- | first, the optimization model is forced to reproduce observed activity levels. | + | |
- | Second, the dual values of the calibration constraints are used for the | + | |
- | modification of the objective function. Third, the new model is employed for | + | |
- | simulations.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | model builds on the basis of the linear programming model and is extended only | + | |
- | by additional constraints. These are the calibration constraints:< | + | |
- | + | ||
- | <p class=MTDisplayEquation style=' | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | SEQ MTSec \c \* Arabic \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | + | ||
- | <p class=MsoListParagraphCxSpFirst style=' | + | |
- | auto; | + | |
- | lang=EN-GB style=' | + | |
- | mso-hansi-font-family: | + | |
- | EN-GB'>< | + | |
- | </ | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | production activity levels< | + | |
- | + | ||
- | <p class=MsoListParagraphCxSpMiddle style=' | + | |
- | auto; | + | |
- | lang=EN-GB style=' | + | |
- | mso-hansi-font-family: | + | |
- | EN-GB'>< | + | |
- | </ | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoListParagraphCxSpLast style=' | + | |
- | text-align: | + | |
- | lang=EN-GB style=' | + | |
- | mso-hansi-font-family: | + | |
- | EN-GB'>< | + | |
- | </ | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | associated with the calibration constraints< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | programming model. In the first step, the optimal solution of this positive | + | |
- | mathematical programme <span class=GramE> | + | |
- | the observed production activity levels (<span style=' | + | |
- | top: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | distinguished into preferable and marginal activities. Preferable production | + | |
- | activities (<span style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | marginal activities < | + | |
- | (<span style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | of the calibration constraints are zero for the marginal activities (<span | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | cost for preferable activities (<span style=' | + | |
- | mso-text-raise: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | the objective function entries and the coefficients of the marginal activities | + | |
- | (& | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | resources only depend on the marginal activities, interaction between the | + | |
- | production activities are not covered. With the dual values of the calibration | + | |
- | constraints, | + | |
- | model is captured.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | mathematical programming approach the dual values of the preferable activities | + | |
- | (<span style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | function. The extension of the former objective function of the linear | + | |
- | programming model implies a variable cost function which leads to the omission | + | |
- | of the calibration constraints of the mathematical programming model in the | + | |
- | first step.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | parameters of a variable cost function such that the economic rule marginal | + | |
- | revenue equals marginal cost holds at observed activity levels. Most often, a | + | |
- | quadratic cost function is used.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | function can be specified like:< | + | |
- | + | ||
- | <p class=MTDisplayEquation style=' | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | SEQ MTSec \c \* Arabic \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | + | ||
- | <p class=MsoListParagraphCxSpFirst style=' | + | |
- | auto; | + | |
- | lang=EN-GB style=' | + | |
- | mso-hansi-font-family: | + | |
- | EN-GB'>< | + | |
- | </ | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | the linear cost term< | + | |
- | + | ||
- | <p class=MsoListParagraphCxSpLast style=' | + | |
- | text-align: | + | |
- | lang=EN-GB style=' | + | |
- | mso-hansi-font-family: | + | |
- | EN-GB'>< | + | |
- | </ | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | the quadratic cost term< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | (<span style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MTDisplayEquation style=' | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | SEQ MTSec \c \* Arabic \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | + | ||
- | <p class=MsoListParagraph style=' | + | |
- | text-align: | + | |
- | lang=EN-GB style=' | + | |
- | mso-hansi-font-family: | + | |
- | EN-GB'>< | + | |
- | </ | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | of the production activity< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | top: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | <span class=GramE> | + | |
- | margin and the price of the production activity: <span style=' | + | |
- | top: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | consider the opportunity cost of the fixed resources. But the resource | + | |
- | constraints of the complete model count for this.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | two contains the quadratic cost function in the objective function:< | + | |
- | + | ||
- | <p class=MTDisplayEquation style=' | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | SEQ MTSec \c \* Arabic \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | The dual values of </ | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | solution of the linear programming model.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | function that satisfy the conditions to calibrate to observed activity levels | + | |
- | when solving the positive mathematical programming model are infinite. But the | + | |
- | different combinations of parameters lead to different response behaviour to | + | |
- | changing economic conditions (see Heckelei (2002) for technical proof).< | + | |
- | + | ||
- | <h3 style=' | + | |
- | the parameters of the new objective function< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | parameters of the new objective function.< | + | |
- | href="# | + | |
- | style=' | + | |
- | class=MsoFootnoteReference>< | + | |
- | 115%; | + | |
- | mso-fareast-font-family: | + | |
- | minor-latin; | + | |
- | mso-ansi-language: | + | |
- | Some of them are presented in the following (Heckelei, 2002). Here we present | + | |
- | only a few. In the CAPRI training course we will elaborate additional | + | |
- | specification rules.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | very simply ((e.g. Howitt and Mean, 1983; <span class=SpellE> | + | |
- | Paris, 1995)). Just setting <span style=' | + | |
- | mso-text-raise: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | off-diagonal elements of <span style=' | + | |
- | -6.0pt'>< | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | elements as:< | + | |
- | + | ||
- | <p class=MTDisplayEquation style=' | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | SEQ MTSec \c \* Arabic \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | top: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | the marginal activities are zero. The objective function of that specification | + | |
- | rule would be:< | + | |
- | + | ||
- | <p class=MTDisplayEquation style=' | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | SEQ MTSec \c \* Arabic \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | function with another rule. He set <span style=' | + | |
- | mso-text-raise: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | off-diagonal elements <span class=GramE> | + | |
- | top: | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MTDisplayEquation style=' | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | SEQ MTSec \c \* Arabic \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | the marginal activities are not zero as before and the new objective function | + | |
- | would be:< | + | |
- | + | ||
- | <p class=MTDisplayEquation style=' | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | SEQ MTSec \c \* Arabic \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | lang=EN-GB>< | + | |
- | style=' | + | |
- | | + | |
- | < | + | |
- | o: | + | |
- | </ | + | |
- | < | + | |
- | DrawAspect=" | + | |
- | </ | + | |
- | </ | + | |
- | + | ||
- | <h3 style=' | + | |
- | the positive mathematical programming approach < | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | new objective function in the positive mathematical programming model is now | + | |
- | applied and the results are presented regarding the parameters of the cost | + | |
- | functions.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-US style=' | + | |
- | yes'> | + | |
- | < | + | |
- | </ | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | a positive mathematical programming model. It is quite the same as in the | + | |
- | linear programming model of </ | + | |
- | style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | yes'> | + | |
- | < | + | |
- | </ | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | it is convenient to split the gross margin into price and cost per unit of a | + | |
- | level of production activity. Second – and this is important for the positive | + | |
- | mathematical programming approach – the addition of 4 calibration constraints. | + | |
- | The model is forced to solve this optimization problem to have the observed | + | |
- | production activity levels (x1=55; x2=30; x3=85 and x4=30) recalibrated. <span | + | |
- | style=' | + | |
- | + | ||
- | <p class=MsoCaption style=' | + | |
- | name=" | + | |
- | style=' | + | |
- | style=' | + | |
- | EN-US'>< | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-US style=' | + | |
- | style=' | + | |
- | style=' | + | |
- | lang=EN-US style=' | + | |
- | mathematical< | + | |
- | “PMP reveal dual values”, GAMS file model “Howitt_1”)</ | + | |
- | + | ||
- | <table class=MsoTableGrid border=1 cellspacing=0 cellpadding=0 | + | |
- | | + | |
- | | + | |
- | < | + | |
- | <td width=164 nowrap valign=top style=' | + | |
- | mso-border-alt: | + | |
- | <td width=278 nowrap colspan=4 valign=top style=' | + | |
- | border-left: | + | |
- | solid windowtext .5pt; | + | |
- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
- | line-height: | + | |
- | style=' | + | |
- | </ | + | |
- | <td width=32 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | solid windowtext .5pt; | + | |
- | <td width=134 nowrap valign=top style=' | + | |
- | border-left: | + | |
- | solid windowtext .5pt; | + | |
- | </ | + | |
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- | <td width=164 nowrap valign=top style=' | + | |
- | border-top: | + | |
- | padding:0cm 5.4pt 0cm 5.4pt; | + | |
- | <td width=76 nowrap valign=top style=' | + | |
- | border-left: | + | |
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- | margin-bottom: | + | |
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- | style=' | + | |
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- | <td width=67 nowrap valign=top style=' | + | |
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- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
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- | </ | + | |
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- | style=' | + | |
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- | <p class=MsoNormal align=center style=' | + | |
- | margin-bottom: | + | |
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- | style=' | + | |
- | </ | + | |
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- | <td width=134 nowrap valign=top style=' | + | |
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- | mso-border-alt: | + | |
- | </ | + | |
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- | <td width=164 nowrap valign=top style=' | + | |
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- | padding:0cm 5.4pt 0cm 5.4pt; | + | |
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- | margin-left: | + | |
- | style=' | + | |
- | mso-ansi-language: | + | |
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- | mso-border-alt: | + | |
- | <td width=59 nowrap valign=top style=' | + | |
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- | mso-border-alt: | + | |
- | <td width=75 nowrap valign=top style=' | + | |
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- | <td width=32 nowrap valign=top style=' | + | |
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- | <td width=134 nowrap valign=top style=' | + | |
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- | <p class=MsoNormal style=' | + | |
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- | lang=EN-GB style=' | + | |
- | </ | + | |
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- | Calibri'> | + | |
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- | </ | + | |
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- | <p class=MsoNormal align=center style=' | + | |
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- | </ | + | |
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- | </ | + | |
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- | </ | + | |
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- | <td width=75 nowrap valign=top style=' | + | |
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- | <td width=134 nowrap valign=top style=' | + | |
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- | </ | + | |
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- | <td width=164 nowrap valign=top style=' | + | |
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- | padding:0cm 5.4pt 0cm 5.4pt; | + | |
- | <p class=MsoNormal style=' | + | |
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- | lang=EN-GB style=' | + | |
- | </ | + | |
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- | programming models are intended to do. < | + | |
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- | behaviour of the two examples | + | |
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- | programming model as well as the two positive mathematical programming models | + | |
- | simulation behaviour regarding price changes. Therefore, we change the prices | + | |
- | and solve the optimization problems | + | |
- | different the models react.< | + | |
- | + | ||
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- | of the commodities of the production activities. Only p1 and p3 are increasing, | + | |
- | p2 and p4 are remaining constant. Price p1 increases with 40 units and price p3 | + | |
- | with 60 units with each scenario step.< | + | |
- | + | ||
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- | solved again with the different sets of prices. For the linear programming | + | |
- | model, the most profitable levels of production activities for each price | + | |
- | scenario depict </ | + | |
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- | the first two price scenarios no adaption of the production programme of the | + | |
- | representative farmer is profitable. For the other two price scenarios the | + | |
- | optimal production were changed to x3=123.3 and x4= 76.7 for scenario 3 and | + | |
- | x3=200 for scenario 4.< | + | |
- | + | ||
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- | production activities of the linear programming model activities (Excel file | + | |
- | sheet “Simple LP”, GAMS file model “LP”)< | + | |
- | + | ||
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- | border-left: | + | |
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- | MERGEFORMAT <span style=' | + | |
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- | the production activities x1, x2, and x4 are declining whereas the level of | + | |
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- | the level of the production activity x3 is increasing. This is also due to the | + | |
- | fact that the gross margin of x3 is increasing even higher than for x1 and the | + | |
- | other production activities with every new price scenario.< | + | |
- | + | ||
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- | function </ | + | |
- | EN-US'>< | + | |
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- | model “Paris”)< | + | |
- | + | ||
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- | mso-border-top-alt: | + | |
- | mso-border-alt: | + | |
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- | </ | + | |
- | </ | + | |
- | + | ||
- | <p class=MsoCaption style=' | + | |
- | style=' | + | |
- | + | ||
- | <h3 style=' | + | |
- | of simulation< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | differences between the linear and the positive mathematical programming | + | |
- | approaches. The reaction of the linear programming model to price changes shows | + | |
- | erratic adaptions of the production programme induced by price changes. It | + | |
- | takes a while until the production programme changes when the model is optimized. | + | |
- | These changes are also very strong. This means that between the second and | + | |
- | third price scenario the production programme differs completely and the fourth | + | |
- | price scenario induce a production plan with only one production activity. This | + | |
- | behaviour seems very unlikely in reality.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | GOTOBUTTON ZEqnNum923545< | + | |
- | style=' | + | |
- | ZEqnNum923545 \* Charformat \! \* MERGEFORMAT <span style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | lang=EN-GB style=' | + | |
- | programming approach shows a smoother reaction to price changes compared to the | + | |
- | linear programming model. But it can be seen that the adaption of the | + | |
- | production programme is still relatively erratic. But the reaction to price | + | |
- | changes seems to be much more likely than in the linear programming model.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | GOTOBUTTON ZEqnNum279523< | + | |
- | style=' | + | |
- | style=' | + | |
- | <span style=' | + | |
- | field-end'></ | + | |
- | style=' | + | |
- | lang=EN-GB style=' | + | |
- | sophisticated reaction to price changes compared to the other simulated models. | + | |
- | The adaption of the production plan induced by price changes is very smooth and | + | |
- | is much more realistic. There is no overspecialisation and overreaction like in | + | |
- | the other two models.< | + | |
- | + | ||
- | <h2 style=' | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | linear farm production model and the extension based on the positive | + | |
- | mathematical programming approach to be able to produce more realistic production | + | |
- | plans when it comes to profit maximization. The positive mathematical | + | |
- | programming approach calibrates a programming model to observed production | + | |
- | behaviour. This is achieved with calibration constraints and the dual values of | + | |
- | the calibration constraints are used to specify a new objective function that | + | |
- | reflects observed farm behaviour that cannot be captured with additional | + | |
- | constraints. These new objective functions capture a lot of possible <span | + | |
- | class=SpellE> | + | |
- | technology, risk behaviour or other non-linear constraints.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | specifications of cost functions. There a many ways to specify these functions | + | |
- | and each of them imply different behaviour to changing economic circumstances. | + | |
- | Additionally to the specifications shown in this paper there are others as | + | |
- | well. The average-cost-approach (Heckelei, 2002) or the use of exogenous supply | + | |
- | elasticities (Heckelei, 2002; empirically applied by Helming et al., 2001) are | + | |
- | some of them, which will elaborated in the CAPRI training course in Seville. | + | |
- | You can also have a closer look at them in the Excel file sheet “PMP2” and | + | |
- | “PMP4” as well as in the GAMS file models “Howitt_12” and “Elasticities1”, | + | |
- | respectively.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | style=' | + | |
- | objective functions are not unproblematic. As these procedures capture the | + | |
- | observed behaviour, a change in economic incentives of the farmer(s) over time inducing | + | |
- | other behaviour is not observed and must come from other sources. Other | + | |
- | shortcomings of these approaches of positive mathematical programming models can | + | |
- | be found in the literature (see Heckelei (2002) for an overview).< | + | |
- | + | ||
- | <h2 style=' | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | class=SpellE>< | + | |
- | lang=EN-GB style=' | + | |
- | mathematical programming model for regional analysis of agricultural policies. | + | |
- | In: <span class=SpellE> | + | |
- | Agricultural Economics and Policies, EAAE, Proceedings of the 40th Seminar, | + | |
- | 26.-28. <span class=SpellE> | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | (1986): Mathematical Programming for Economic Analysis in Agriculture, | + | |
- | Macmillan Publishing Company.< | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | estimation of programming models for agricultural supply analysis. <span | + | |
- | class=SpellE> | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | class=SpellE> | + | |
- | of Environmental Policy Scenarios in Flemish Agriculture. In: Heckelei, T., | + | |
- | Witzke, H.P. and <span class=SpellE> | + | |
- | Sector Modelling and Policy Information Systems. Proceedings of the 65 <span | + | |
- | class=SpellE>< | + | |
- | at Bonn University, <span class=SpellE> | + | |
- | Kiel, pp. 237-245. < | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | Mathematical Programming< | + | |
- | Journal of Agricultural Economics</ | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | Approach to Microeconomic Programming Models. Working Paper (6). Department of | + | |
- | Agricultural Economics, University of California, Davis. < | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | lang=EN-GB style=' | + | |
- | Parametric Programming and Comparative Statics. Chapter | + | |
- | class=GramE> | + | |
- | of California, Davis. < | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | (2001): Analyse der Produktions- und Einkommenseffekte von | + | |
- | Agrarumwelt-programmen unter Verwendung einer weiterentwickelten Form der | + | |
- | Positiv Quadratischen Programmierung. <span lang=EN-GB style=' | + | |
- | EN-GB'> | + | |
- | + | ||
- | <p class=MsoNormal style=' | + | |
- | class=SpellE>< | + | |
- | lang=EN-GB style=' | + | |
- | Production Models using Positive Mathematical Programming. An | + | |
- | Agro-environmental Policy Analysis in Southwest Germany. Shaker Verlag, Aachen. | + | |
- | < | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | <div style=' | + | |
- | + | ||
- | <hr align=left size=1 width=" | + | |
- | + | ||
- | < | + | |
- | + | ||
- | <div style=' | + | |
- | + | ||
- | <p class=MsoFootnoteText>< | + | |
- | name=" | + | |
- | footnote'>< | + | |
- | style=' | + | |
- | mso-ascii-theme-font: | + | |
- | minor-latin; | + | |
- | mso-bidi-theme-font: | + | |
- | mso-bidi-language: | + | |
- | lang=EN-GB style=' | + | |
- | Thünen Institute of Farm Economics< | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | <div style=' | + | |
- | + | ||
- | <p class=MsoFootnoteText>< | + | |
- | name=" | + | |
- | footnote'>< | + | |
- | style=' | + | |
- | mso-ascii-theme-font: | + | |
- | minor-latin; | + | |
- | mso-bidi-theme-font: | + | |
- | mso-bidi-language: | + | |
- | style=' | + | |
- | GAMS file are already completely working. But you must be familiar how to user | + | |
- | the solver in excel and how to run a GAMS file. Be careful how to set all the | + | |
- | constraints to get the desired behaviour of the models!< | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | <div style=' | + | |
- | + | ||
- | <p class=MsoFootnoteText>< | + | |
- | name=" | + | |
- | footnote'>< | + | |
- | style=' | + | |
- | mso-ascii-theme-font: | + | |
- | minor-latin; | + | |
- | mso-bidi-theme-font: | + | |
- | mso-bidi-language: | + | |
- | style=' | + | |
- | “solver” add-in in the options.< | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | <div style=' | + | |
- | + | ||
- | <p class=MsoFootnoteText>< | + | |
- | name=" | + | |
- | style=' | + | |
- | class=MsoFootnoteReference>< | + | |
- | 115%; | + | |
- | mso-fareast-font-family: | + | |
- | minor-latin; | + | |
- | mso-ansi-language: | + | |
- | lang=EN-GB style=' | + | |
- | model is an optimization model, in which an objective function is maximized or | + | |
- | minimized subject to some constraints. In our case we have a maximization | + | |
- | problem which is also called the primal model. The total gross margin is | + | |
- | maximized while land and labour use are constrained. This problem can be | + | |
- | transformed into a minimization problem (dual model), in which land and labour | + | |
- | use has to be minimized while the total gross margins of each activity are | + | |
- | constrained to have a certain minimum. The maximum value of the objective | + | |
- | function of the primal model is always the same like the value of the objective | + | |
- | function of the dual model. See Hazell & Norton (1986) for a more detailed | + | |
- | presentation.< | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | <div style=' | + | |
- | + | ||
- | <p class=MsoFootnoteText>< | + | |
- | name=" | + | |
- | footnote'>< | + | |
- | style=' | + | |
- | mso-ascii-theme-font: | + | |
- | minor-latin; | + | |
- | mso-bidi-theme-font: | + | |
- | mso-bidi-language: | + | |
- | style=' | + | |
- | EN-GB'> | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | <div style=' | + | |
- | + | ||
- | <p class=MsoFootnoteText>< | + | |
- | name=" | + | |
- | footnote'>< | + | |
- | style=' | + | |
- | mso-ascii-theme-font: | + | |
- | minor-latin; | + | |
- | mso-bidi-theme-font: | + | |
- | mso-bidi-language: | + | |
- | lang=EN-GB style=' | + | |
- | (1999) or <span class=SpellE> | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | <div style=' | + | |
- | + | ||
- | <p class=MsoFootnoteText>< | + | |
- | name=" | + | |
- | footnote'>< | + | |
- | style=' | + | |
- | mso-ascii-theme-font: | + | |
- | minor-latin; | + | |
- | mso-bidi-theme-font: | + | |
- | mso-bidi-language: | + | |
- | style=' | + | |
- | used for optimization and an optimal solution is found, you have to choose the | + | |
- | “sensitivity analysis report” to extract the dual values of the calibration | + | |
- | constraints. In the GAMS file you can see that after a model is solved, the | + | |
- | dual values are captured as follows: <span class=GramE> | + | |
- | class=SpellE> | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | <div style=' | + | |
- | + | ||
- | <p class=MsoFootnoteText>< | + | |
- | name=" | + | |
- | footnote'>< | + | |
- | style=' | + | |
- | mso-ascii-theme-font: | + | |
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- | mso-bidi-theme-font: | + | |
- | mso-bidi-language: | + | |
- | lang=EN-US style=' | + | |
- | even higher compared to the other production activities.< | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | </ | + | |
- | + | ||
- | </ | + | |
+ | The rest of the document largely follows the workflow of the model: the different steps of building up the national, regional and global data base provide the foundations on which the system rests (Chapter 3). Subsequently the procedure needed to establish a baseline (Chapter 4) is discussed. Chapter 5 deals with the scenario impact analysis, giving descriptions for the regional supply models as well as for the global market model and their interactions in scenario runs. Chapter 6 covers some elements of post model analysis, whereas Chapter 7 covers options for spatial downscaling of the NUTS2 results. At the very end (Chapter 8), some developer tools for stability analysis are described. |
start.txt · Last modified: 2022/11/07 10:23 by 127.0.0.1